The Red Dot R-7833 Backwall On/Off-Road Air Conditioner Unit 24 VDC R-7833-0-24P fits between the seats in cabs where mounting options are limited. The five louvers adjust so you can direct airflow where you need it, and the heavygauge welded-steel construction is ideal for severe-service environments. Optional mounting brackets allow up to 4 inches of height travel (sold separately). Just 12.18 inches wide.